Receive message “A signed resource has been added, modified, or deleted” when trying to debug an App on iPhone

Question

While attempting to debug a build created using the 3.2 SDK on an iPhone device I receive the message \"A signed resource has been added, modified, or deleted.\".

I

Answer 1

Having the DerivedData folder at a network location caused this problem for me.

After trying everything else, I found out my workstation couldn't agree with the University server about what the time was. (It thought everything was always modified). I also had to clean for every rebuild to avoid that frustrating message.

In the end I gave up and built locally, changing Xcode > Preferences > Locations ... feeling altogether pretty dumb for having ever built over the network.